DropKick ⚽️ - A Minimal Commit/Reveal Rescue Protocol
Rescue quantum procrastinators by letting them prove their chronological superiority to a quantum attacker.
Conduition
Latest posts
Silent Payments Harvest-Now-Decrypt-Later Attack
They won't stay silent forever.
Brink is Now Funding My Research
I can afford breakfast now!
Pruning Hypertrees for the Lax and Lazy
How to generate and sign with SLH-DSA very quickly, with only mild side effects.
Bitcoin Devs Should Be Learning Isogeny Cryptography
How isogenies can solve Bitcoin's Quantum problems
SLH-DSA vs Schnorr Verification
Detailed comparison of SLH-DSA and BIP340 Schnorr verification algorithms.
Vulnerabilities in the Cashu ECash Protocol
I found some vulnerabilities in Cashu's protocol for deterministic wallet recovery.
Making SLH-DSA 10x-100x Faster
Performance research and benchmarks of optimizations to SLH-DSA (SPHINCS+)
Discreet Log Contract Factories
Bitcoin smart contracts which can be extended infinitely and interrupted at any time.
Verifiably Buy Solutions to NP Problems with Bitcoin
Using zero-knowledge proofs to convert a standard HTLC into the purchase of a secret with arbitrary properties.
Hash-Based Signature Schemes for Post-Quantum Bitcoin
All safe roads once were wild.
Mercury Layer Vulnerability Disclosures Report
An examination of validation vulnerabilities in the Mercury Layer client libraries.
Multi-Party Submarine Swaps
Scaling submarine swaps into a cooperative multi-party protocol for better efficiency.
Cassandra: My RESTful DLC Oracle API
API documentation for my automatic DLC oracle REST API.
Discreet Log Contracts with Ecash Notes
Settling Bitcoin smart contracts instantly off-chain using a Chaumian Ecash mint as a trusted blind intermediary.
How to Bring Your Own Key to a FROST Signing Group
FROST normally requires participants to generate random keys at setup time, but it turns out some participants can actually bring their own keys to the group.
Reverse Engineering TicketMaster's Rotating Barcodes (SafeTix)
"Screenshots won't get you in", but Chrome DevTools will.
Off-Chain Ticketing for Discreet Log Contracts
How to participate in a Bitcoin DLC without any on-chain transactions.
Inviscriptions - Undetectable Bitcoin Inscriptions
Why filtering spam Bitcoin transactions is doomed to fail.
A Provably Fair Off-Chain Lottery
How to gamble Bitcoin fairly and transparently.
Announcing the MuSig2 Rust Crate
I got bored and wanted a more flexible MuSig library.
The Riddles of Adaptor Signatures
A detailed description of the math behind Schnorr Adaptor Signatures.
I'm Honest, I Swear! - Credible Threats of Private Key Exposure
How to make secret keys worth keeping secret.
Resharing Shamir Secret Shares to Change the Threshold
Change the structure of a Shamir Secret Sharing group using some fancy multi-party computation tricks.
Issuing New Shamir Secret Shares Using Multi-Party Computation
Safely add new members to a Shamir Secret Sharing group.
Wagner's Birthday Attack - How to Break InsecureMuSig
An outlandish attack which broke the version version of the MuSig protocol.
MuSig1 - A Reasonably Secure Multisig Scheme
How to cooperatively aggregate your Bitcoin signatures for fun and profit.
A Dive Into the Math Behind Bitcoin Schnorr Signatures
Get up close and personal with Schnorr and his now patent-free linear signature algorithm.
Elliptic Curve Cryptography Resources
Learning and educational links for ECC.